Finding the Fourth Proportional to 401,424,814.26, 552,934,078.97 and 283,747,833.63
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Solution
The fourth proportional to 401,424,814.26, 552,934,078.97 and 283,747,833.63 is: 390,842,422.97
Step by Step Solution
- Step 1: Write the proportion equation
401,424,814.26 : 552,934,078.97 = 283,747,833.63 : x - Step 2: Convert to fraction form
401,424,814.26/552,934,078.97 = 283,747,833.63/x - Step 3: Cross multiply
401,424,814.26x = 552,934,078.97 × 283,747,833.63 - Step 4: Simplify right side
401,424,814.26x = 156,893,847,046,518,112 - Step 5: Solve for x
x = 156,893,847,046,518,112/401,424,814.26 - Step 6: Final answer
x = 390,842,422.97
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.